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Axial Piston Units
Variable Pump A4VTG 

Sizes 71...90
Axial piston swashplate design
Series 3
Closed circuits
Nominal pressure:     400 bar
Peak pressure:     450 bar
 
Special design for use in mobile concrete mixers
Variable pump, reversible, all components integrated for closed circuits
  • For applications in the high pressure range up to 450 bar
  • Integrated auxiliary pump for boost and control oil supply
  • Combined boost and high-pressure relief valves
  • Boost pressure relief valve
  • Through drive possibility
  • Compact design


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Documentation

Data sheet 

Instruction manual 

Size       71 90      
Displacement Vg max cm³ 71 90      
Max. speed at Vg max nnom rpm 3300 3050      
Flow at nnom qV l/min 234 275      
Power Δp = 400 bar P kW 156 183      
Torque Δp = 400 bar T Nm 452 573      
Weight (approx.) m kg 51 53      

HW EP
Proportional control hydraulic, mechanical servo Proportional control electric
Vg      = Displacement
ß      = Swivel angle
I      = Control current



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Product Catalog Mobile Hydraulics, online version, last changed 2013-02-26
©Bosch Rexroth AG, subject to change